<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
	.KEYW {color: #933;}
	.COMM {color: #bbb; font-style: italic;}
	.NUMB {color: #393;}
	.STRN {color: #393;}
	.REGX {color: #339;}
	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/**
<span class='line'>  2</span> * This class represents a card.
<span class='line'>  3</span> * A card has an immutable rank and suit
<span class='line'>  4</span> */</span><span class="WHIT">
<span class='line'>  5</span> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">Card</span><span class="PUNC">(</span><span class="NAME">rank</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">suit</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>  6</span> </span><span class="WHIT">    </span><span class="WHIT">
<span class='line'>  7</span> </span><span class="WHIT">        </span><span class="COMM">//PRIVATE FIELDS</span><span class="WHIT">
<span class='line'>  8</span> 
<span class='line'>  9</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">isFaceUp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 10</span> </span><span class="WHIT">    </span><span class="WHIT">
<span class='line'> 11</span> </span><span class="WHIT">	</span><span class="COMM">//PUBLIC FUNCTIONS</span><span class="WHIT">
<span class='line'> 12</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'> 13</span> </span><span class="WHIT">	</span><span class="COMM">/**
<span class='line'> 14</span> 	* suit getter method
<span class='line'> 15</span> 	* returns String suit
<span class='line'> 16</span> 	*/</span><span class="WHIT">
<span class='line'> 17</span> </span><span class="WHIT">	</span><span class="NAME">this.getSuit</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 18</span> </span><span class="WHIT">		</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">suit</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 19</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 20</span> 
<span class='line'> 21</span> </span><span class="WHIT">        </span><span class="COMM">/**
<span class='line'> 22</span>          * Returns "r" if the card is red (hearts or diamonds) and "s"
<span class='line'> 23</span>          * otherwise.
<span class='line'> 24</span>          */</span><span class="WHIT">
<span class='line'> 25</span> </span><span class="WHIT">        </span><span class="NAME">this.getColor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 26</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">suit</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="STRN">"h"</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">suit</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="STRN">"d"</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="STRN">"r"</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"s"</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 27</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 28</span> 
<span class='line'> 29</span> </span><span class="WHIT">        </span><span class="COMM">/**
<span class='line'> 30</span>         * Returns whether the card is face up or not.
<span class='line'> 31</span>         */</span><span class="WHIT">
<span class='line'> 32</span> </span><span class="WHIT">        </span><span class="NAME">this.isFaceUp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 33</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">isFaceUp</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 34</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 35</span> 
<span class='line'> 36</span> </span><span class="WHIT">        </span><span class="COMM">/**
<span class='line'> 37</span>         * Sets whether the card is face up--true means it is.
<span class='line'> 38</span>         */</span><span class="WHIT">
<span class='line'> 39</span> </span><span class="WHIT">        </span><span class="NAME">this.setFaceUp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">flag</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT">            </span><span class="NAME">isFaceUp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">flag</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 42</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'> 43</span> </span><span class="WHIT">	</span><span class="COMM">/**
<span class='line'> 44</span> 	* rank getter method
<span class='line'> 45</span> 	* returns int rank
<span class='line'> 46</span> 	*/</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">	</span><span class="NAME">this.getRank</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">		</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">rank</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 49</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'> 51</span> </span><span class="WHIT">	</span><span class="COMM">/**
<span class='line'> 52</span> 	* rank getter method
<span class='line'> 53</span> 	* returns String rank
<span class='line'> 54</span> 	*/</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT">	</span><span class="NAME">this.getRankAsString</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT">		</span><span class="KEYW">switch</span><span class="PUNC">(</span><span class="NAME">rank</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 57</span> </span><span class="WHIT">			</span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">11</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'> 58</span> </span><span class="WHIT">				</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="STRN">"J"</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">			</span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">12</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">				</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="STRN">"Q"</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">			</span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">13</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'> 62</span> </span><span class="WHIT">				</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="STRN">"K"</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 63</span> </span><span class="WHIT">			</span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'> 64</span> </span><span class="WHIT">				</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="STRN">"A"</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 65</span> </span><span class="WHIT">			</span><span class="KEYW">default</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT">				</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">rank</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 68</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 69</span> </span><span class="PUNC">}</span></pre></body></html>